If he can safely put together Mosley/Pacquaio, then he can put together Cotto/Pacquaio II and people will buy it

Mosley/Pacquiao is still a fight people would like to see, that they haven't seen before. Cotto would have to look superhuman against Mayorga to make even a few people think he has a shot at Pac, everyone else would know Pac beats Cotto 10/10, why pay to see what you can watch for free on HBO.